CVE-2012-10014 in Backend Localization Plugin
Summary
by MITRE • 04/24/2023
A vulnerability classified as problematic has been found in Kau-Boy Backend Localization Plugin 2.0 on WordPress. Affected is the function backend_localization_admin_settings/backend_localization_save_setting/backend_localization_login_form/localize_backend of the file backend_localization.php. The manipulation leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 2.0.1 is able to address this issue. The name of the patch is 36f457ee16dd114e510fd91a3ea9fbb3c1f87184. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-227232.
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Analysis
by VulDB Data Team • 05/18/2023
This vulnerability resides within the Kau-Boy Backend Localization Plugin for WordPress, specifically targeting version 2.0 which contains a cross-site scripting flaw in its core functionality. The affected code segments include backend_localization_admin_settings, backend_localization_save_setting, backend_localization_login_form, and localize_backend functions within the backend_localization.php file. The vulnerability represents a classic client-side attack vector that allows malicious actors to inject arbitrary JavaScript code into the backend interface, potentially compromising administrator sessions and system integrity. This type of vulnerability falls under CWE-79 which categorizes cross-site scripting flaws as a critical security weakness in web applications. The attack can be executed remotely without requiring any local privileges or authentication, making it particularly dangerous for WordPress installations that rely on this plugin for backend localization.
The technical exploitation of this vulnerability occurs through the manipulation of input parameters within the backend localization functions, specifically during the processing of administrative settings and login form elements. When administrators interact with these functions, the improperly sanitized user input gets reflected back into the web page without adequate output encoding or validation. This creates an environment where malicious scripts can be executed in the context of the administrator's browser session, potentially leading to complete compromise of the WordPress installation. The vulnerability's remote exploitability means attackers can target systems from outside the local network, amplifying the potential impact significantly. According to ATT&CK framework, this represents a technique categorized under T1059.007 - Command and Scripting Interpreter: JavaScript, where adversaries leverage browser-based scripting to execute malicious payloads.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking. An attacker who successfully exploits this XSS flaw could potentially modify backend settings, inject malicious code into the WordPress administration interface, or even escalate privileges to gain full control over the affected WordPress installation. The vulnerability affects the core backend localization functionality, which means that any administrator who visits pages utilizing these functions could become compromised. The fact that this vulnerability affects the login form component is particularly concerning as it could enable credential theft or session fixation attacks. Additionally, the reflected nature of the XSS means that the attack could be delivered through various vectors including malicious links shared via email, social media, or compromised websites that redirect users to vulnerable WordPress installations.
Security mitigations for this vulnerability center on immediate patching of the affected plugin to version 2.0.1, which contains the necessary code fixes to prevent the XSS exploitation. The patch identified by hash 36f457ee16dd114e510fd91a3ea9fbb3c1f87184 addresses the root cause by implementing proper input sanitization and output encoding mechanisms. Organizations should also implement additional defensive measures including web application firewalls that can detect and block XSS payloads, regular security audits of installed WordPress plugins, and monitoring for suspicious activity in administrative interfaces. Network-level protections such as CSP (Content Security Policy) headers can provide additional layers of defense by restricting the execution of unauthorized scripts within the browser context. System administrators should also consider implementing automated patch management processes to ensure timely updates of all WordPress components, as this vulnerability demonstrates how even seemingly minor plugin components can create significant security risks. The recommended upgrade approach ensures that all input validation and output encoding mechanisms are properly implemented according to security best practices and industry standards for web application security.